ICD-11 classes
02 Neoplasms
Malignant neoplasms, except primary neoplasms of lymphoid,...
Malignant neoplasms of ill-defined or unspecified primary...
2D42 — Malignant neoplasms of ill-defined sites

ICD-11 2D42 — Malignant neoplasms of ill-defined sites

Malignant neoplasms of ill defined sites is used for cases where the documentation refers to a site that includes multiple organ systems and tissue types that should be coded separately.

The diagnosis includes nothing.

The diagnosis excludes nothing.

It has no clarifying diagnoses.